Conditioning Three Boreal Conifers by Root Pruning and Wrenching
The effects of root pruning and wrenching on the morphological quality and outplanting performance of white spruce (Picea glauca (Moench) Voss) and black spruce (P. mariana (Mill.) B.S. P.) and jack pine (Pines banksiana Lamb.) seedlings. Root pruning and wrenching successfully modified the morphology of all three species in the nursery by decreasing height and increasing root system size, but did not improve survival or growth after outplanting. Tree Planters' Notes 40(2):33-39; 1989.
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Author(s): Lisa J. Buse, Robert J. Day
Publication: Tree Planters' Notes - Volume 40, Number 2 (1989)
Volume: 40
Number: 2